66761404

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 118632528

約数和(自身を除く): 51871124

約数列:

[1, 2, 4, 101, 202, 257, 404, 514, 643, 1028, 1286, 2572, 25957, 51914, 64943, 103828, 129886, 165251, 259772, 330502, 661004, 16690351, 33380702, 66761404]

約数ペア:

[(1, 66761404), (2, 33380702), (4, 16690351), (101, 661004), (202, 330502), (257, 259772), (404, 165251), (514, 129886), (643, 103828), (1028, 64943), (1286, 51914), (2572, 25957)]